Murali Duggineni

Murali Duggineni

How a choir book helped invent Post-it notes

One Sunday in 1974, Art Fry, a 3M engineer and choir singer, grew frustrated when the bookmarks kept falling out of his hymn book. That minor inconvenience sparked a major innovation. Fry recalled a low-tack adhesive developed by his colleague,…

Picture of Mark Twain sitting on a bench

How Samuel Clemens became Mark Twain

Samuel Langhorne Clemens, an iconic American author active primarily in the late 19th and early 20th centuries, adopted the pen name Mark Twain from his experiences working as a steamboat pilot on the Mississippi River. The phrase “mark twain” was…

A person holding salt as a prized commodity in their hands

How salt defined one’s worth in ancient times

Did you know the expression “worth one’s salt” means to be competent, good enough to justify one’s earnings or position? The phrase originates from ancient times when salt was a highly prized commodity due to its flavor-enhancing properties and its…

Ramnagar Fort: the living heritage of Varanasi

The Ramnagar Fort lies on the eastern bank of the Ganga River, opposite Tulsi Ghat in Varanasi. It was built in 1750 by Kashi Naresh Maharaja Balwant Singh, who established it as the royal seat of the rulers of Banaras. Constructed primarily from creamy Chunar sandstone, the…

The scholar who composed the “Suprabhatam”

Sri Venkateswara Suprabhatam is a Sanskrit hymn traditionally recited early in the morning to awaken Lord Venkateswara at the Tirumala temple in Andhra Pradesh. The word Suprabhatam means “auspicious morning,” and the hymn is a poetic invocation seeking divine blessings…